Linux 閮剜舀銝餈啁隤踵,甇斗敹脰雿喳隤踵:
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#vi /etc/sysctl.conf3 p ~" P. K( |/ c
### 寥脩頂蝯梯園蝞∠ ###3 v( q4 W6 q$ N1 u$ i* }
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# 憭扳獢inode敹怠
! G7 |" n2 f. z/ Afs.file-max = 2097152
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# 頛撠鈭斗4 V; d* c% C% z6 L6 a
vm.swappiness = 10* C: ]- d) D9 o1 k" l7 |5 c
vm.dirty_ratio = 608 f" _7 P. u9 h) A- p, F
vm.dirty_background_ratio = 2
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### 銝祉蝬脰楝摰券賊 ###) E5 p9 s+ u# s; Q+ V9 t
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# 鋡怠(passive)TCP亦SYNACKs甈⊥
* B! m1 \- v% N% c( i, n" U; }net.ipv4.tcp_synack_retries = 2
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# 閮望祆蝬脰楝仿蝭8 U7 }$ N2 O& [+ ]
net.ipv4.ip_local_port_range = 2000 65535
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( _1 A3 m" A' v! ^7 S# 貿CP Time-Wait靽霅5 Q$ Y- F2 y ]& P+ j( y
net.ipv4.tcp_rfc1337 = 1
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# 雿撠 tcp_fin_timeout connection 閮剖" @0 M% \* v+ L* P9 x$ j7 D" [$ U/ h
net.ipv4.tcp_fin_timeout = 15. m3 J3 ~2 e: |* B @2 B# ?+ F% h- A
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: l7 T- ]1 |8 J% d" A0 K4 c. H# 雿蝺摮瘣餅閮剖 x' j2 x) a( O" _) J6 q3 b4 p G
net.ipv4.tcp_keepalive_time = 3008 H j$ u& }/ R3 O3 x6 d( {/ p& \
net.ipv4.tcp_keepalive_probes = 5; I# G6 ]0 w# o$ n: [* ~6 H
net.ipv4.tcp_keepalive_intvl = 15
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% x- S4 p6 A8 @: l4 {### 隤踵渡雯頝舀 ###
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# 閮剔Socket交嗥楨摮
) l: I& I! r% Rnet.core.rmem_default = 31457280
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# 憭抒Socket交嗥楨摮
7 D! c5 H, @& Q( ynet.core.rmem_max = 12582912
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# 閮剔Socket喲蝺拙
5 v/ N+ C7 w n% A" E, P8 \net.core.wmem_default = 31457280! S1 I% k- b' y# o5 D6 F9 U- m
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# 憭抒Socket喲蝺拙
5 ?1 H( \; d) Y% j. u% Enet.core.wmem_max = 12582912
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# 憭抒雯頝舫交
) l. G; N7 X K: f) l2 ^$ a4 |$ {net.core.somaxconn = 4096
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net.core.netdev_max_backlog = 655366 B2 C3 b$ U! b7 Z4 o
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0 d9 j* D1 p( l: `; x# 憭扯園蝺拙憭折( ~9 C2 S! ?+ l# |
net.core.optmem_max = 25165824 V, A& j# K5 r% V8 e! f
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+ j1 ` w# P! E( q* w# Increase the maximum total buffer-space allocatable憭批臬蝺拙蝛粹憭抒蜇3 V4 t. K! L3 T$ h
# This is measured in units of pages (4096 bytes)! Q8 L! d# S/ D4 Y3 B, ?
net.ipv4.tcp_mem = 65536 131072 262144
" {& Z8 `0 I: V: d% z! w2 wnet.ipv4.udp_mem = 65536 131072 262144. {; f# V5 o$ |7 j* y2 ?+ k7 S
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# 憭扯蝺拙臬蝛粹
2 }4 \4 y( d3 Bnet.ipv4.tcp_rmem = 8192 87380 16777216. ^; `# u* B0 q N, S% a+ y
net.ipv4.udp_rmem_min = 16384" T: H* {7 \9 y
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( Y# w/ c( L L# 憭批神亦楨摮臬蝛粹
$ l$ j# v( y2 z( m" nnet.ipv4.tcp_wmem = 8192 65536 16777216
) q, {" i" m( U3 |net.ipv4.udp_wmem_min = 16384
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# 憭含cp-time-wait獢嗅瘙賊隞仿脩陛DOS餅
( S# E7 N, j0 Znet.ipv4.tcp_max_tw_buckets = 1440000% ]( @& O- i3 U; _) R' W& z* A' D
net.ipv4.tcp_tw_recycle = 18 u/ e- k$ T, A, m4 [" L6 q! T }
net.ipv4.tcp_tw_reuse = 1
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摮瑼隞亦. h) z# B, v' z% n5 L5 T8 C. e
#sysctl -p 頛亙歇霈
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5 ?" S' {0 g$ V; \5 T2 f. V4 Y5 fhttps://easyengine.io/tutorials/linux/sysctl-conf/
6 J9 R! J: Y! I- g3 E) i摰ｇ砍梯批捆閬蝛擃 888999999999 舐閬踝函嗅蝛 0
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潸” 2017-8-28 11:01:58
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